The Ultimate Fighter: Heavyweights is the tenth installment of the Ultimate Fighting Championship (UFC)-produced reality television series The Ultimate Fighter. In a press conference following UFC 98, Dana White announced that filming for the season would begin on June 1, 2009. The season debuted on Spike TV on September 16, 2009, following UFC Fight Night 19.

The UFC and Spike TV held an open casting call at The Marriott Seattle Airport Hotel in Seattle, Washington, on April 6, 2009. The casting called for mixed-martial artists in the middleweight, light-heavyweight and heavyweight divisions. On the day of tryouts, 250 potential fighters appeared including UFC & International Fight League fighters and former National Football League football players. Notable applicants included NFL veterans Herbert Goodman & Rex Richards, UFC veteran Rob Yundt, and IFL veteran Aaron Stark. As with the previous season, all applicants at the tryouts were required to have a professional MMA record.

This season did not feature an elimination round as the past three seasons had. All competitors invited to Las Vegas for the show's taping participated in the entire season.

Note: This episode aired in the United States as a two-hour episode.

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The Ultimate Fighter: Heavyweights Finale (also known as The Ultimate Fighter 10 Finale) was a mixed martial arts event that was held by the Ultimate Fighting Championship (UFC) on December 5, 2009.

This card featured was the finals from The Ultimate Fighter: Heavyweights in the Heavyweight division. It also featured the official UFC debut of Kimbo Slice.

A previously announced bout between Rousimar Palhares and Lucio Linhares was moved to UFC 107. Linhares was a replacement for Alessio Sakara who had to pull out due to rumored visa issues.